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(CBOE: )

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Historical Prices

Month:
Year:
Range:
Date Open High Low Close Volume Change (%)
May 31, 2012 39.42 40.25 38.40 39.17 0 -0.94(-2.34%)
May 30, 2012 38.98 40.60 38.98 40.11 0 +1.11(+2.85%)
May 29, 2012 37.93 39.37 37.48 39.00 0 +1.86(+5.01%)
May 25, 2012 37.56 37.66 37.05 37.14 0 -0.96(-2.52%)
May 24, 2012 37.54 38.96 37.54 38.10 0 +0.33(+0.87%)
May 23, 2012 36.93 39.77 36.77 37.77 0 +1.68(+4.66%)
May 22, 2012 37.79 37.80 34.95 36.09 0 -2.57(-6.65%)
May 21, 2012 41.75 41.75 38.62 38.66 0 -2.11(-5.18%)
May 18, 2012 41.33 41.56 40.61 40.77 0 -0.17(-0.42%)
May 17, 2012 39.22 41.10 38.96 40.94 0 +0.15(+0.37%)
May 16, 2012 38.78 48.43 36.46 40.79 0 +3.92(+10.63%)
May 15, 2012 35.60 36.93 34.27 36.87 0 +1.84(+5.25%)
May 14, 2012 34.73 35.85 34.28 35.03 0 +1.59(+4.75%)
May 11, 2012 33.77 33.97 31.86 33.44 0 +1.46(+4.57%)
May 10, 2012 31.82 32.82 31.66 31.98 0 -2.85(-8.18%)
May 09, 2012 35.92 36.79 34.35 34.83 0 +0.56(+1.63%)
May 08, 2012 34.74 35.74 34.21 34.27 0 +0.99(+2.97%)
May 07, 2012 33.47 34.36 33.28 33.28 0 +1.22(+3.81%)
May 04, 2012 30.74 32.06 29.15 32.06 0 -0.19(-0.59%)
May 03, 2012 30.35 32.44 30.35 32.25 0 +1.91(+6.30%)
May 02, 2012 30.68 31.01 30.26 30.34 0 +0.33(+1.10%)
May 01, 2012 30.11 30.11 29.65 30.01 0 -0.44(-1.44%)
Apr 30, 2012 31.56 31.59 30.18 30.45 0 +0.32(+1.06%)
Apr 27, 2012 30.46 30.63 29.90 30.13 0 -0.74(-2.40%)
Apr 26, 2012 32.77 32.77 30.87 30.87 0 -2.87(-8.51%)
Apr 25, 2012 33.17 35.83 32.81 33.74 0 +1.09(+3.34%)
Apr 24, 2012 32.81 33.04 32.45 32.65 0 -1.08(-3.20%)
Apr 23, 2012 33.81 35.39 33.73 33.73 0 +2.44(+7.80%)
Apr 20, 2012 32.44 32.44 31.07 31.29 0 -1.16(-3.57%)
Apr 19, 2012 32.70 32.82 32.20 32.45 0 -0.26(-0.79%)
Apr 18, 2012 34.45 34.50 32.60 32.71 0 -1.62(-4.72%)
Apr 17, 2012 36.33 36.37 34.32 34.33 0 -2.47(-6.71%)
Apr 16, 2012 36.50 37.44 36.21 36.80 0 +0.87(+2.42%)
Apr 13, 2012 33.84 35.93 33.79 35.93 0 +2.30(+6.84%)
Apr 12, 2012 34.35 34.62 32.97 33.63 0 -1.77(-5.00%)
Apr 11, 2012 36.07 36.07 35.02 35.40 0 -0.79(-2.18%)
Apr 10, 2012 34.87 36.27 34.67 36.19 0 +0.00(+0.00%)
Apr 09, 2012 35.52 36.70 35.44 36.19 0 +2.10(+6.16%)
Apr 05, 2012 34.96 34.96 33.73 34.09 0 -1.52(-4.27%)
Apr 04, 2012 35.75 35.83 34.54 35.61 0 +3.13(+9.64%)
Apr 03, 2012 33.03 33.28 32.21 32.48 0 -0.53(-1.61%)
Apr 02, 2012 32.69 33.02 32.04 33.01 0 +0.75(+2.32%)
Mar 30, 2012 32.98 33.15 31.97 32.26 0 -1.32(-3.93%)
Mar 29, 2012 32.99 33.73 32.62 33.58 0 +0.38(+1.14%)
Mar 28, 2012 33.32 33.40 32.81 33.20 0 -0.20(-0.60%)
Mar 27, 2012 33.85 33.93 33.12 33.40 0 -0.61(-1.79%)
Mar 26, 2012 34.86 35.00 33.92 34.01 0 -0.16(-0.47%)
Mar 23, 2012 35.14 35.14 34.16 34.17 0 -2.36(-6.46%)
Mar 22, 2012 37.60 38.39 36.52 36.53 0 +1.25(+3.54%)
Mar 21, 2012 35.19 35.40 34.75 35.28 0 -0.32(-0.90%)
Mar 20, 2012 34.56 35.84 34.02 35.60 0 +3.08(+9.47%)
Mar 19, 2012 35.66 35.78 32.14 32.52 0 -2.10(-6.07%)
Mar 16, 2012 34.64 34.70 33.14 34.62 0 +0.00(+0.00%)
Mar 15, 2012 37.88 37.95 34.18 34.62 0 -4.02(-10.40%)
Mar 14, 2012 37.62 39.44 36.85 38.64 0 +2.88(+8.05%)
Mar 13, 2012 37.88 37.88 34.54 35.76 0 -1.76(-4.69%)
Mar 12, 2012 38.23 38.27 37.12 37.52 0 +0.11(+0.29%)
Mar 09, 2012 39.00 39.02 37.35 37.41 0 -1.78(-4.54%)
Mar 08, 2012 39.35 39.99 38.97 39.19 0 -0.60(-1.51%)
Mar 07, 2012 41.12 41.16 39.24 39.79 0 -1.64(-3.96%)
Mar 06, 2012 42.57 42.57 41.42 41.43 0 +1.27(+3.16%)
Mar 05, 2012 39.63 40.70 38.41 40.16 0 +1.21(+3.11%)
Mar 02, 2012 39.70 39.75 38.49 38.95 0 -0.78(-1.96%)
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